20 Greenfield Avenue, Northampton, NN3 2AA
About 20 Greenfield Avenue
20 Greenfield Avenue is a three-bedroom mid-terrace house in Northampton (NN3 2AA). It has a recorded floor area of 91 m² (around 978 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (November 2008) shows an E (score 41), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 70), a 2-band jump. The latest certificate is from November 2008, so improvements made since then won't be reflected.
At 91 m² it's 21% smaller than the typical home in the postcode (115 m² median across 21 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs). Across 2012–2018, sale prices on this property compounded at 8.8% per year. Today's modelled estimate of £259,000 is 12.6% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£235/sq ft) was about 17.2% above the typical sold price in the postcode. Most recent transfer: July 2018 at £229,995.
What this property has
Inside
- Bedrooms3
Outside
- Private gardenYes
- GarageYes
Building
- Heating systemGas
Energy performance
20 Greenfield Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 05 Nov 2018
EPC Rating
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Planning history
20 Greenfield Avenue has no planning applications on record.
But the area is active
22 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£259,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.8% per year over 6 years.
£229,995
Growth on file: 8.8% per year over 6 years.
Sales timeline
3 July 2018Most recent
£229,995
+70.4%over 6 years12 March 2012
£135,000
Median price across the last 5 sales in NN3 2AA: £400,000 (2024–2022).
Nearby sales in NN3 2AA
9 Greenfield Avenue, Northampton, NN3 2AA
Sold Aug 2024
£375,00029 Greenfield Avenue, Northampton, NN3 2AA
Sold Aug 2023
£400,00024 Greenfield Avenue, Northampton, NN3 2AA
Sold Jul 2023
£355,00031b, Greenfield Avenue, Northampton, NN3 2AA
Sold Oct 2022
£785,00017 Greenfield Avenue, Northampton, NN3 2AA
Sold Oct 2022
£425,000
Versus other Greenfield Avenue homes
On floor area, 20 Greenfield Avenue runs well behind the street norm.
Price per m²
£2,531
Street avg £2,639
Floor Area
91 m²
Street avg 129 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
7.3 t/year
Street avg 5.8 t/year
Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Highlands Avenue — bus stop.
Closest school
0.4 km
Eastfield Academy. 37 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
49.8dB

Night-time· 23:00 – 07:00
39.9dB







